ASTM A179 / Seamless Cold Drawn Low Carbon Steel Heat Exchanger and Condenser Tubes supplier & distributor in India

ASTM A179M-88a / ASME SA179

Seamless Cold Drawn Low Carbon Steel Heat Exchanger and Condenser Tubes

This standard is issued under the fixed designation A 179/A 179M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon ( ε) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This specification covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.

1.2 This specification covers tubes 1/8 to 3 in. [3.2 to 76.2 mm], inclusive, in outside diameter. NOTE 1?Tubing smaller in outside diameter and having a thinner all than indicated in this specification is available. Mechanical property requirements do not apply to tubing smaller than 1/8 in. [3.2 mm] in outside diameter or with a wall thickness under 0.05 in. [0.4 mm].

1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalently; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the "M" designation of this specification is specified in the order.

Chemical Composition

The steel shall conform to the following requirements as to chemical composition:

Carbon, %	0.06-0.18
Manganese, %	0.27-0.63
Phosphorus, max %	0.035
Sulfur, max, %	0.035

EXPLANATORY NOTE

Tensile strength, min, ksi [MPa]	47 [325]
Yield strength, min, ksi [MPa]	26 [180]
Elongation in 2 in. or 50 mm, min, %	35

Material Comparison Tables (ASTM ¡æKS, JIS, DIN, BS, NBN, NF, UNI)

ASTMS
TANDARD

UNS NO.

KOREA/JAPANES

GERMAN

BRITISH

BELGIAN

FRENCH

ITALIAN

KS/JIS Symbol

KS/JIS Numbe

Re marks

DIN Type

DIN
Number

Materiral
Number

Re
marks

B.S
Number

B.S Grade

Re marks

NBN Type

NBN Grade

Re marks

AFNOR Type

NF
Number

Re marks

UNI Type

UNI Number

Re marks

A 179

Seamless Cold Drawn Low-C Steel Heat Exchanger and Conderser Tubes

K01200

STBH 340 / STB 35

D3563 / G3461

St 35.4

1629

1.0309

3606

CFS 320

D 37-2

629

(3b)

TU 37 C

A49-215

(3a)

C 14

5462

St 35.8

17175

1.0305

Plus DIN 2391 (18) Gutegard C.NBK

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